The goal is to use LockTite to take up the room between the barrel extension and the inside of the receiver ring, and use anti-seize on the external threads of the receiver ring to keep the steel nut from galling onto the anodized aluminum receiver threads.
Truth be told, I do not like the idea of LockTite, unless you're really concerned about wringing that last wee little bit of accuracy from the gun. It certainly would seem to complicate disassembly.
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